Home / 487,159,733.80-730,739,600.70-472,810,826.80

Finding the Fourth Proportional to 487,159,733.80, 730,739,600.70 and 472,810,826.80

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Solution

The fourth proportional to 487,159,733.80, 730,739,600.70 and 472,810,826.80 is: 709,216,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,159,733.80 : 730,739,600.70 = 472,810,826.80 : x
  2. Step 2: Convert to fraction form
    487,159,733.80/730,739,600.70 = 472,810,826.80/x
  3. Step 3: Cross multiply
    487,159,733.80x = 730,739,600.70 × 472,810,826.80
  4. Step 4: Simplify right side
    487,159,733.80x = 345,501,594,782,468,864
  5. Step 5: Solve for x
    x = 345,501,594,782,468,864/487,159,733.80
  6. Step 6: Final answer
    x = 709,216,240.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.